Caroline MacKenzie: From a medical standpoint getting you to the top of Everest is really about oxygen. And the lack of it. To give you the best chance of summiting you need to prepare your bodies for the thin air up there.
Caroline MacKenzie : From a medical standpoint getting you to the top of Everest is really about oxygen. And the lack of it. To give you the best chance of summiting you need to prepare your bodies for the thin air up there.
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